It was 70 years ago when the world's first atomic bomb was dropped on Hiroshima unleashing a destructive power never seen before.
Some 70,000 people were killed instantly while another 70,000 died later from injuries.
The bomb also destroyed more than 60% of all buildings in the city.
Thousands stood in silence today, in memory of the victims.
Seventy years after the first atomic bomb lay waste to the Japanese city, the Mayor of Hiroshima has urged the world that to abolish nuclear weapons and demanded the creation of security systems that do not rely on military might.
Speaking at the official commemorations at Little Boy's ground zero in theheart of the city, Mayor Kazumi Matsui said:
As long as there are nuclear weapons, anyone can become a hibakusha (Japanese term for a-bomb victim).
People of the world, please listen to the voices of the victims and face this issue of nuclear proliferation as your own.
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